CNN Weed Dr. Sanjay Gupta Reports January 4, 2015 01:22:00
That's what i want to talk about. if you're speaking some weed, make some noise! >> april 20th, denver, colorado. >> we like weed, smoke weed! >> tens of thousands from around the country and the world lighting up legally. >> happy cannabis, y'all. >> for some it's a lifestyle. for others it's a lifeline. >> we're working with the lupus foundation and rheumatoid arthritis. >> for all of them, i wonder what was it doing to their brains? >> some of my patients call me pot doc. >> your patients call you pot doc? >> well, they never meet anyone who is as interested as hearing about their marijuana...